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Vocabulary Reference

roundTripEnergyEfficiency

property Authorized Only

Round-Trip Energy Efficiency

Current round-trip energy efficiency on the 0-1 decimal scale (0.92 = 92%).

URI:https://ref.openepcis.io/extensions/eu/battery/roundTripEnergyEfficiency

Domain

oec:PerformanceInfo

Range

xsd:decimal

Vocabulary alignment

Equivalent
BatteryPass SAMMroundtripEfficiency · curated
Narrower · downstream
BatteryPass SAMMroundTripEfficiencyAt50PercentCycleLife · curated DPP Keystonedppk:roundTripEfficiencyAt50Cycles · curated
See also
EC BP Guidance#36 DPP Keystonedppk:roundTripEfficiencyRemaining · QA 50%

QA % is the verifier panel's confidence. Curated mappings graded by openai/gpt-oss-20b, verified by local QA panels per round (claude-opus-4-8 / qwen3.5-27b / qwen3-32b).

Referenced upstream terms

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References

Access Level

The current measured round-trip efficiency is Annex VII health state — only the initial declared value (eubat:roundTripEfficiency) is public.

JSON-LD Example 

{
  "type": "PerformanceInfo",
  "roundTripEnergyEfficiency": "..."
}